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Finding the Fourth Proportional to 353,234.90, 529,852.35 and 203,935.70

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Solution

The fourth proportional to 353,234.90, 529,852.35 and 203,935.70 is: 305,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,234.90 : 529,852.35 = 203,935.70 : x
  2. Step 2: Convert to fraction form
    353,234.90/529,852.35 = 203,935.70/x
  3. Step 3: Cross multiply
    353,234.90x = 529,852.35 × 203,935.70
  4. Step 4: Simplify right side
    353,234.90x = 108,055,809,893.90
  5. Step 5: Solve for x
    x = 108,055,809,893.90/353,234.90
  6. Step 6: Final answer
    x = 305,903.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.